These lightweight and compact 10lb mechanical fire extinguishers are designed to meet SFI regulations making them suitable for some types of drag racing plus other Motorsport events which require an SFI approved extinguisher systems.SFI approved for drag racing and other Motorsport eventsNovec 1230 gas extinguishant provides fast fire knockdown and leaves no residueFiring head designed with only 1 moving part for maximum reliabilityKit includes tubing, nozzles and fixing bracketsThe Lifeline Zero 360 10lb mechanical fire extinguisher uses Novec 1230 extinguishant. This is an environmentally friendly gas with excellent fire knock down ability. It has been successfully tested on petrol, ethanol and diesel fuel fires and leaves no mess or residue once activated.